Xsane permissions, run as root

[joham34]

I don't know if this is too late, but I ran

lsusb

and found that my Brother MFC 7420 is at bus 007 device 002. Then

chmod a+w /dev/bus/usb/007/002

and now xsane works as a normal user. I don't have to be root.

Hope this helps

Your solution was straightforward. Many thanks !

[goulo]

Following advice from http://www.sane-project.org/README.linux

I solved this apparently more "correctly" by adding the desired users to the "scanner" group, e.g. to let user "goulo" scan,

sudo usermod -a -G scanner goulo

(and then the user needs to login again for it to take effect).